Objective: Design an engaging UI for the 21-day art therapy challenge in CreativeCalm to promote creativity and mindfulness. Visual Style: Soft, calming colors; clean sans-serif typography; ample white space; simple iconography. Key Components: Challenge Overview Page: Intro, Start Challenge button, progress tracker. Daily Activity Page: Current day, activity details, reference image, steps, Complete/Skip buttons, resource links. Progress Tracking: Visual progress bar, calendar view, milestone badges. Reflection Section: Reflection prompts, text input, artwork upload. User Profile Integration: Display challenge progress, activity history, notification settings. Technical Specs: Responsive design, interactive elements, accessibility features. Deliverables: High-resolution mockups, interactive prototype. | A shadcn/ui and v0 generation - v0